Critics of instinctual explanations of aggression are most likely to challenge this theory on which of the following grounds?

a. The instinctual explanation does not explain why some individuals and some human cultures, such as the Arapesh, Senoi, Navajo, and Eskimo show little hostility or aggression.
b. The instinctual explanation has little intuitive appeal and is not likely to be popular with the general population.
c. The instinctual explanation gives a complex explanation of behavior without fully describing the behavior.
d. The instinctual explanation does not explain why lower animals are much more aggressive than humans.

ANSWER: a